Home / 240,102.35-331,360.15-136,740.94

Finding the Fourth Proportional to 240,102.35, 331,360.15 and 136,740.94

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Solution

The fourth proportional to 240,102.35, 331,360.15 and 136,740.94 is: 188,713.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,102.35 : 331,360.15 = 136,740.94 : x
  2. Step 2: Convert to fraction form
    240,102.35/331,360.15 = 136,740.94/x
  3. Step 3: Cross multiply
    240,102.35x = 331,360.15 × 136,740.94
  4. Step 4: Simplify right side
    240,102.35x = 45,310,496,877.44
  5. Step 5: Solve for x
    x = 45,310,496,877.44/240,102.35
  6. Step 6: Final answer
    x = 188,713.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.